×0.3= 2.4÷0.6= 75÷10= 0.7÷0.01=Р2.5×0.03= 2.4÷0.06= 2.37+3.7= 3.54+6.46=Р2.5×0.4= 125×0.8= 25×8= 9.6×0.6= Р二、列竖式计算。※(验算) ☆(得数精确到百分位) ★(得数用循环小数表示)Р3.5×16= ※0.19×7.5= Р Р227.8÷0.34= ☆ 7.525÷0.38= ★ 78.6÷11= Р Р三、计算下列各题。(能简算的要简算,并写出主要过程)Р5.65×1.8+4.35×1.8 2.5×1.25×3.2 Р63×10.1 9.76×0.72-0.76×0.72+0.72 Р四、解方程。Р1.8x=72 x÷5.4=1.2 x-32.5=94 Р Рx+4.2=14.8 16+8x=40 4x-3×9=29 Р Р口算题Р5.6×3= 2.82+3.18= 44÷11= 1.5+0.25=Р0.31×3= 33÷10= 10.8÷1= 9.08×0+9=Р0.1×0.1= 1.5+0.25= 6.08×1000= 0.5+1÷1+0.5=Р6.4÷4= 1.5÷0.3= 4.2×3= 1.8×5=Р2-1.75= 10.6-2.7= 1.6×0.25= 0.25×4×1.2=Р二、用竖式计算。Р36×5.5 18×3.06 3.45×21Р0.28×0.25 150×0.12 0.87×1.5Р三、递等式计算,能简算的要简算。Р102×0.45 8.27+7.52+1.73-3.52 0.79×99+0.79 Р0.15+ 0.75×18 72+8÷2.5-30.2 2.8×3.2+3.2×7.2Р四、解方程Р2X+2.8×2=10.4 2(X-2.6)=8 X+2.4X = 5.1Р Р5X+3X=33.6 X-0.36X=16 5.4X+X=12.8
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